163343473 has 2 divisors, whose sum is σ = 163343474. Its totient is φ = 163343472.

The previous prime is 163343461. The next prime is 163343483. The reversal of 163343473 is 374343361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89245809 + 74097664 = 9447^2 + 8608^2 .

It is a cyclic number.

It is not a de Polignac number, because 163343473 - 2⁹ = 163342961 is a prime.

It is not a weakly prime, because it can be changed into another prime (163343483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81671736 + 81671737.

It is an arithmetic number, because the mean of its divisors is an integer number (81671737).

Almost surely, 2^163343473 is an apocalyptic number.

It is an amenable number.

163343473 is a deficient number, since it is larger than the sum of its proper divisors (1).

163343473 is an equidigital number, since it uses as much as digits as its factorization.

163343473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 34.

The square root of 163343473 is about 12780.5896968802. The cubic root of 163343473 is about 546.6389771734.

The spelling of 163343473 in words is "one hundred sixty-three million, three hundred forty-three thousand, four hundred seventy-three".